20865810

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1483}}^1$

素因数の和:1567

約数の個数: 64

約数和(自身を含む): 58125312

約数和(自身を除く): 37259502

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 67, 70, 105, 134, 201, 210, 335, 402, 469, 670, 938, 1005, 1407, 1483, 2010, 2345, 2814, 2966, 4449, 4690, 7035, 7415, 8898, 10381, 14070, 14830, 20762, 22245, 31143, 44490, 51905, 62286, 99361, 103810, 155715, 198722, 298083, 311430, 496805, 596166, 695527, 993610, 1391054, 1490415, 2086581, 2980830, 3477635, 4173162, 6955270, 10432905, 20865810]

約数ペア:

[(1, 20865810), (2, 10432905), (3, 6955270), (5, 4173162), (6, 3477635), (7, 2980830), (10, 2086581), (14, 1490415), (15, 1391054), (21, 993610), (30, 695527), (35, 596166), (42, 496805), (67, 311430), (70, 298083), (105, 198722), (134, 155715), (201, 103810), (210, 99361), (335, 62286), (402, 51905), (469, 44490), (670, 31143), (938, 22245), (1005, 20762), (1407, 14830), (1483, 14070), (2010, 10381), (2345, 8898), (2814, 7415), (2966, 7035), (4449, 4690)]